Title :
A group signature scheme with revocation
Author :
Popescu, Constantin ; Noje, Dan ; Bede, Barnabas ; Mang, Ioan
Author_Institution :
Dept. of Math., Univ. of Oradea, Romania
Abstract :
A group signature scheme allows any group member to sign on behalf of the group in an anonymous and unlinkable fashion. In the event of a dispute, a designated trusted entity can reveal the identity of the signer. In this paper we propose a revocation method for group signatures based on the group signature scheme from C. Popescu., (2000). This method requires no time periods and offers constant length signatures.
Keywords :
cryptography; message authentication; Okamoto-Shiraishi assumption; anonymous fashion; constant length signature; designated trusted entity; group member signing; group signature scheme; revocation method; signer identity; unlinkable fashion; Conference management; Government; Identity management systems; Image processing; Mathematics; Multimedia communication; Public key; Security; Videoconference; Voting;
Conference_Titel :
Video/Image Processing and Multimedia Communications, 2003. 4th EURASIP Conference focused on
Print_ISBN :
953-184-054-7
DOI :
10.1109/VIPMC.2003.1220469
